Bosch 11-51-8-671-654 Electric Auxiliary Water Pump

The Bosch 11-51-8-671-654 is a premium electric auxiliary water pump designed to meet exact original equipment specifications for BMW and MINI vehicles. This essential cooling system component circulates coolant through critical areas of the engine, turbocharger, and climate control system to maintain optimal operating temperatures and prevent overheating.

Key Features:

• 100% new OEM-quality construction designed to exact factory specifications
• 12V electric operation with 650 liters per hour flow rate at 0.1 bar pressure
• Quality electromagnets and smart circuits ensure harmonized operation with vehicle systems
• Sealed pump chamber protects electronic components from coolant exposure
• End-of-line function and leak tested for reliable performance
• Torque tested to verify proper impeller-shaft mating and prevent premature failure

This auxiliary water pump is manufactured by Bosch to rigorous OEM quality standards, ensuring exact fit, form, and function for trouble-free installation and reliable cooling system performance. The Bosch part number is 0392023509, and it replaces BMW/MINI part numbers 11-51-8-605-322 and 11518605322. Professional installation by qualified technicians is recommended for proper system operation.